USA.com / California / San Mateo County / San Mateo, CA / 94401 / Population and Races / Historical Household and Family Data
94401 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 36,838
| 94401 Zip Code | California | U.S. | |
| Total Households | 12,843, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.80, see rank | 2.95 | 2.63 |
| 1 Person Households | 4,233, 32.96%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 8,610, 67.04%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 7,545, 58.75%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.78, see rank | 3.67 | 3.32 |
| Married-Couple Family | 5,265, 41.00%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 5,298, 41.25%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 34,429
| 94401 Zip Code | California | U.S. | |
| Total Households | 12,795, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.63, see rank | 2.90 | 2.58 |
| 1 Person Households | 4,501, 35.18%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 8,294, 64.82%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 7,174, 56.07%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.40, see rank | 3.45 | 3.14 |
| Married-Couple Family | 5,011, 39.16%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 5,621, 43.93%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 35,721
| 94401 Zip Code | California | U.S. | |
| Total Households | 12,580, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.78, see rank | 2.93 | 2.61 |
| 1 Person Households | 4,173, 33.17%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 8,407, 66.83%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 7,397, 58.80%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.77, see rank | 3.65 | 3.29 |
| Married-Couple Family | 5,347, 42.50%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 5,183, 41.20%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 32,484
| 94401 Zip Code | California | U.S. | |
| Total Households | 12,601, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.53, see rank | 2.87 | 2.59 |
| 1 Person Households | 4,631, 36.75%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 7,970, 63.25%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 6,829, 54.19%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.36, see rank | 3.43 | 3.14 |
| Married-Couple Family | 4,952, 39.30%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 5,772, 45.81%, see rank | 31.15% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.